The costume designer Julia Kornacka was born in Lodz, Poland and studied at the Academy of Fine Arts and Fashion Design in Lodz. She has collaborated with the most important theatres in Poland among others: The National Stary Theatre in Cracow, National Theatre in Warsaw, Teatr Wielki – Polish National Opera in Warsaw, Opera in Wroclaw, Theatre Polski in Wroclaw. She also collaborated with theatres in Switzerland such as Luzerner Theater and St Gallen Theater, in Austria Schauspielhaus Graz and in Germany - Munich (Bayerische Staatsoper), Stuttgart (Die Staatstheater Stuttgart), Hamburg (Thalia Theater), Dresden (Theater Junge Generation), Freiburg (Theater Freiburg), Dotmund (Theater Dortmund), Berlin (Komische Oper Berlin) and (Stattsoper Berlin).
She has worked with stage directors such as: Ewelina Marciniak, Wojtek Klemm, Anna Badora, John Fulljames, Michał Zadara, Barbara Wysocka, Krzysztof Garbaczewski, Monika Strzępka.
She also creates costumes for video clips, films, fashion and music shows.
2020 she is rewarded with Thalia Freunde-Preis in memoriam Eva Bonacker.